A river is flowing from east to west at a speed of 5 m/min. A man on south bank of river…
Physics · JEE Main · NTA Exams — Kinematics
A river is flowing from east to west at a speed of 5 m/min. A man on south bank of river, capable of swimming 10 m/min in still water, wants to swim across the river in the shortest time; he should swim:
- due north
- due north-east
- due north-east with double the speed of river
- none of the above
Answer
(A) due north
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